I finally got me my "WHY". First up, due to my lack of professional IT training I will take most specs on any device as trustworthy. I am by nature a trusting person who believes that apart from maybe a one off mistake on an assembly line , most devices will be made to spec.
MY "WHY" was ...the Power supply. All devices are working under a normal condition but for some reason for a software installation power requirements apparently are exact in nature or the software wont load.
I went back to the system and tried over and over. Same thing. Got annoyed with the unit and took out all other unnecessary PS terminals and just ran the one to the optical drive where the boot Cd was ( additional to the hard drive). It worked and the OS loaded with no problem. I don't know the specs on each terminal of a PS unit and from this experience will go and do some more reading on Power Supplies. So far I have come across one article that suggests many PS companies mis advertise their specs. In a discussion with a user over a particular brand of PS unit it was suggested that is what had happened and they gave reference to others who have had the same problem.
Thanks again for giving me an ear. I would always think as a novice even if I upgrade my skills professionally. My approach I have been told by a few IT professionals that I've worked around based on how I process stuff is quite unique.. time consuming but unique.
So if you come across anyone with this problem of the boot Cd not going past a certain point . Let them check their PS and its individual terminals. For some reason though their system would run normally with all devices attached in a normal boot enviroment. However on a installation it becomes an issue.
Rec'd above via PM.
I cannot answer "why" electronic components...I just know that anything manmade...has the potential to malperform. I could speculate on loose connection, bad connection, inadequate PSU, etc...but it would all be no more than speculation, since I don't have the system/PSU.
In any case, OP's resolution may help someone with similar issues